Finding the Fourth Proportional to 616,107.43, 924,509.09 and 331,791.96
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Solution
The fourth proportional to 616,107.43, 924,509.09 and 331,791.96 is: 497,875.32
Step by Step Solution
- Step 1: Write the proportion equation
616,107.43 : 924,509.09 = 331,791.96 : x - Step 2: Convert to fraction form
616,107.43/924,509.09 = 331,791.96/x - Step 3: Cross multiply
616,107.43x = 924,509.09 × 331,791.96 - Step 4: Simplify right side
616,107.43x = 306,744,687,305.31 - Step 5: Solve for x
x = 306,744,687,305.31/616,107.43 - Step 6: Final answer
x = 497,875.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.